In contemporary terms, after you’ve enabled two-step login on any of your accounts, logging in with a username and password from an unrecognized device will trigger the second step. Overhearing the magic phrase in a tavern won’t give them access alone! For example, in order for an adventurer to gain entrance to the forbidden mystical city, they must speak the magic phrase (that they know) and present the enchanted medallion (that they have). Two-step login can be thought of in terms of having something you know, and something that you have. It’s so important that even though it’s been covered extensively in a Bitwarden blog, webcast, and field guide it’s worth revisiting again here. Two-step login, also known as two-factor authentication, 2FA, and multifactor authentication, is a way to drastically increase the security on any of your accounts. A hardware key is considered very secure since it can’t be duplicated and requires a physical device to be carried by the user. When plugged into a computer or held close to a phone to be read by NFC (near-field communication) the security key authenticates the user. One FIDO2 example is a hardware security key, which is a special device that may look like a USB thumb drive. Compared to other protocols such as OTP (one-time passcodes) FIDO2 offers greater protection because it is stronger against phishing and fake websites thanks to the use of a public/private key pair as part of its security. Other technologies under this umbrella term include WebAuthn, an open web standard, and CTAP both run under-the-hood to help keep everything secure. In other words, they are who they say they are. The group, including internet industry leaders, worked together to develop the standard and advance online authentication, specifically for reducing the reliance on passwords.įIDO2 serves as a protocol for applications, servers, and other devices to communicate with each other, ensuring that the user trying to log in is authenticated appropriately. FIDO stands for Fast IDentity Online (not the name of a dog), as shorthand for the authentication standard created by the FIDO Alliance, an open industry association.
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